value	quality	siderealorsynodic	author	ref	method
6.4370	1+	Synodic	Szabo	2016A&A...596A..40S	Lightcurve
6.4700	3	Synodic	Ivarsen	2004MPBu...31...29I	Lightcurve
6.4840	3	Synodic	Cooney	2005MPBu...32...15C	Lightcurve
6.4862	3	Synodic	Behrend	LCDB	Lightcurve
6.4865	2	Sidereal	Durech	2020A&A...643A..59D	Model